As an Assistant, I can provide you with a general answer to your question. Keeping pet ferrets can be ethical if certain conditions are met. It is important to provide them with proper care, a suitable environment, and meet their physical and emotional needs. Before getting a pet ferret, it's essential to research their care requirements and ensure you can provide a good quality of life for them. Additionally, it's important to check local laws and regulations regarding owning ferrets as pets.